In the paper, we present a direct proof of Raney s intrinsic characterization of completely distributive lattices and give some applications of the intrinsic characterization.
本文对完全分配格的内蕴式刻划给出了一个简洁的直接证明，并给出了内蕴式刻划的若干应用。
Introducing prices of securities, this paper classifies general securities sets by portfolio frontier and then a direct proof for a determinant theorem about Efficient Subset is obained.
本文通过引入证券价格，讨论一般证券集组合前沿的分类，并据此直接证明判定某个证券子集是全集的有效子集的一个充要条件。
A direct proof of the theorem is given in this paper.
本文给出了该定理的一个直接证明。
应用推荐